EZ Flow Furnace Filter *Sub Brand: EZ Flow II *Width: 20 in. *Height: 20 in. *Depth: 1 in. *Filter Material: Spun Fiberglass *MERV Rating: 4 MERV *Pleated: No *Product Type: Air Filter *Trimmable: No *Metal Mesh Support: No *Filters Dust/Lint: Yes *Filters Pollen: Yes *Filters Smoke: No *Electrostatic: No *Number in Package: 1 pk *Filters Bacteria: No *Filters Mold Spores: No *Filter Frame Material: Cardboard *Flat Panel EZ II protects against household dust and lint. The filtering medium is continuous filament spun glass.